BuyDig via eBay offers the Western Digital 1TB My Passport Ultra Portable USB 3.0 External Hard Drive in Black, model no. WDBGPU0010BBK-NESN, for $49.99 with free shipping. That's $3 under last month's mention and the lowest total price we've seen. (It's a current low by $9.) It features automatic backup and optional 256-bit AES hardware encryption.